Muhammad says "Knock You Out" in this down-n-dirty fight to the finish for the heavyweight title. You'll finally get your chance to float like a butterfly and sting like a bee with Muhammad Ali's Heavyweight Boxing. You and a friend can take turns trying to fill Ali's gloves. Or if you really think you've got what it takes--you can make the rounds with 9 ruthless opponents before you come face to face with "The Greatest" himself.